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1
Check your vocabulary for business : a workbook for users / David Riley.
Teddington : Peter Collin, 1999.
53 pages : illustrations, forms ; 30 cm
2
Check your vocabulary for law : a workbook for users / David Riley; Liz Greasby; P H Collin.
London : Peter Collin Pub., 2001.
57 p. ; 30 cm.
3
Reward intermediate business resource pack : communicative activities for students of Business English / David Riley.
Oxford : Macmilan Heinemann, 1996
126 p. : ill. ; 30 cm.